The crescent pattern of increased radioactivity in brain scanning.
D000368:Aged; D001931:Brain Mapping; D001932:Brain Neoplasms / Q000175:diagnosis*; D003399:Craniotomy; D003937:Diagnosis, Differential; D005260:Female; D006408:Hematoma, Subdural / Q000601:surgery*; D006801:Humans; D008297:Male; D008579:Meningioma / Q000601:surgery; D008875:Middle Aged; D009362:Neoplasm Metastasis; D011877:Radionuclide Imaging; D013238:Stereotaxic Techniques; D014947:Wounds and Injuries